elemes/frontend/static/circuitjs1/service-worker.orig

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const CACHE_NAME = 'circuitjs1-app-cache-v301';
const urlsToCache = [
'/circuit/about.html',
'/circuit/canvas2svg.js',
'/circuit/circuitjs.html',
'/circuit/crystal.html',
'/circuit/customfunction.html',
'/circuit/customlogic.html',
'/circuit/customtransformer.html',
'/circuit/diodecalc.html',
'/circuit/icon512.png',
'/circuit/icon128.png',
'/circuit/iframe.html',
'/circuit/lz-string.min.js',
'/circuit/manifest.json',
'/circuit/mosfet-beta.html',
'/circuit/opampreal.html',
'/circuit/subcircuits.html',
FILE_LIST_GOES_HERE
];
self.addEventListener('install', event => {
event.waitUntil(
caches.open(CACHE_NAME)
.then(cache => cache.addAll(urlsToCache))
);
});
self.addEventListener('fetch', (event) => {
// Normalize the request URL by stripping the ?startCircuit parameter
let req = event.request;
const url = new URL(req.url);
if (url.searchParams.has('startCircuit')) {
// Remove the 'startCircuit' query parameter
url.searchParams.delete('startCircuit');
const request = event.request;
req = new Request(url, {
method: request.method,
headers: request.headers,
mode: request.mode === 'navigate' ? 'same-origin' : request.mode,
credentials: request.credentials,
redirect: request.redirect,
referrer: request.referrer,
integrity: request.integrity,
cache: request.caches });
}
event.respondWith(
caches.match(req).then((cachedResponse) => {
if (cachedResponse) {
// If the resource is already cached, return it
return cachedResponse;
}
// Otherwise, fetch it from the network and add it to the cache
return fetch(req).then((networkResponse) => {
if (
event.request.method === 'GET' &&
networkResponse.status === 200
) {
const responseClone = networkResponse.clone();
caches.open(CACHE_NAME).then((cache) => {
cache.put(req, responseClone);
});
}
return networkResponse;
});
})
);
});
// Activate event: cleans up old caches
self.addEventListener('activate', (event) => {
const cacheWhitelist = [CACHE_NAME]; // List of cache versions you want to keep
event.waitUntil(
caches.keys().then((cacheNames) => {
return Promise.all(
cacheNames.map((cacheName) => {
if (!cacheWhitelist.includes(cacheName)) {
return caches.delete(cacheName); // Delete old caches that aren't in whitelist
}
})
);
})
);
});